Method apply

tensorflow/core/kernels/fused_eigen_output_kernels.h:105–114

struct Elu {
  template <typename XprType>
  static auto apply(XprType expr) -> decltype(
      (expr < std::declval<typename XprType::Scalar>())
          .select(expr.exp() -
                      expr.constant(std::declval<typename XprType::Scalar>()),
                  expr)) {
    return (expr < static_cast<typename XprType::Scalar>(0))
        .select(expr.exp() -
                    expr.constant(static_cast<typename XprType::Scalar>(1)),
                expr);
  };
};

// Applies `LeakyRelu` to the passed input expression.